"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : reindex
Case Name   : 对带模式限制的表reindex
Create At   : 2022/08/30
Owner       : @zou_jialiang050
Description :
    1.建模式
    2.新建模式下建表
    3.向表中插入数据
    4.建索引
    5.使用reindex在线对带schema的表重建索引
    6.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.成功
History     :
"""

import os
import unittest
from yat.test import Node
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class SQL(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f'-----{os.path.basename(__file__)} start-----')
        self.dbuserNode = Node('PrimaryDbUser')
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.table = 't_reindex_concurrently_0064'
        self.index = 'i_reindex_concurrently_0064'
        self.schema = 's_reindex_concurrency_0064'
        self.Constant = Constant()

    def test_reindex(self):
        step1 = 'step1:建模式 expect:成功'
        self.logger.info(step1)
        create_schema = self.primary_sh.execut_db_sql(f'''
            drop schema if exists {self.schema};
            create schema {self.schema};''')
        self.logger.info(create_schema)
        self.assertIn(self.Constant.CREATE_SCHEMA_SUCCESS_MSG, create_schema,
                      "建表失败" + step1)
        
        step2 = 'step2:新建模式下建表 expect:成功'
        self.logger.info(step2)
        create_table = self.primary_sh.execut_db_sql(f'''
            set current_schema = {self.schema};
            drop table if exists {self.table};
            create table {self.table} (c_int int,c_text text );''')
        self.logger.info(create_table)
        self.assertIn('SET', create_table, "执行失败" + step2)
        self.assertIn(self.Constant.TABLE_DROP_SUCCESS, create_table,
                      "执行失败" + step2)
        self.assertIn(self.Constant.CREATE_TABLE_SUCCESS, create_table,
                      "建表失败" + step2)

        step3 = 'step3:向表中插入数据 expect:成功'
        self.logger.info(step3)
        insert_data = self.primary_sh.execut_db_sql(
            f'''insert into {self.schema}.{self.table} values
            (generate_series(1,500000),md5(random()::text));''')
        self.logger.info(insert_data)
        self.assertIn(self.Constant.INSERT_SUCCESS_MSG, insert_data,
                      "执行失败" + step3)

        step4 = 'step4:建索引 expect:成功'
        self.logger.info(step4)
        create_index = self.primary_sh.execut_db_sql(
            f'''drop index if exists {self.index};
            create index {self.index} on {self.schema}.{self.table}(c_int);
            ''')
        self.logger.info(create_index)
        self.assertIn(self.Constant.DROP_INDEX_SUCCESS_MSG, create_index,
                      "执行失败" + step4)
        self.assertIn(self.Constant.CREATE_INDEX_SUCCESS_MSG, create_index,
                      "建索引失败" + step4)

        step5 = 'step5:使用reindex在线对带schema的表重建索引 expect:成功'
        self.logger.info(step5)
        reindex = self.primary_sh.execut_db_sql(
            f'''reindex table concurrently {self.schema}.{self.table};''')
        self.logger.info(reindex)
        self.assertIn('REINDEX', reindex, "执行失败" + step5)
        self.assertNotIn('ERROR', reindex, "执行失败" + step5)
        self.assertNotIn('WARNNING', reindex, "执行失败" + step5)

    def tearDown(self):
        step6 = 'step6:清理环境 expect:成功'
        self.logger.info(step6)
        clean_environment = self.primary_sh.execut_db_sql(
            f'''drop schema {self.schema} cascade;''')
        self.logger.info(clean_environment)
        self.assertIn(self.Constant.DROP_SCHEMA_SUCCESS_MSG, clean_environment,
                      "执行失败" + step6)
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
